John Stuart Williams, D.D.S.
General Practice Dentistry · Sunnyvale, TX
John Stuart Williams, D.D.S. is a general practice dentistry with a practice address in Sunnyvale, Texas, and NPI 1023025608, issued on Aug 3, 2006. Check the license (Texas 20559, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Stuart Williams
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License numbers
- 20559 TX
7506 NC
Self-reported in NPPES; status is on the state search - Practice location
- 272 S Collins RD Ste 100, Sunnyvale, TX 75182
- Phone
- (972) 216-1871
- Enumerated
- Aug 3, 2006
- Record last updated
- Oct 26, 2023
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 10,056 in Texas → Look up another NPI →
Also registered at 272 S Collins RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Pedersen, D.D.S., M.S.Orthodontics and Dentofacial Orthopedics Dentistry1528356318
- Karishma Sheikh, DDSDentist1942984240
Verify John Stuart Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 20559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average general practice dentistry in 2024
33 Medicare Part D claims for 18 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John Stuart Williams among 10,056 general practice dentistry records in Texas
John Stuart Williams, D.D.S. is one of 10,056 general practice dentistry records with a practice address in Texas. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 73% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2023 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 general practice dentistry records list a practice address in Sunnyvale
They are 4 of the 213 NPPES records with a practice address in Sunnyvale, and 10,056 general practice dentistry records in Texas.
All 10,056 in Texas → Every provider in Sunnyvale → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Thomas Keim, D.D.S.Sunnyvale, TX 751821689071250
- Maher Lawand, DDS, MSSunnyvale, TX 751821962131219
- Denise Sanchez, DDSSunnyvale, TX 751821710722574
- Jeremy Curtis, D.M.D.Mesquite, TX 751811467773424
- Alexander Flores, DDSMesquite, TX 751811629231915
- Rachna Patel, D.D.SMesquite, TX 751811841459393
- Jace Williamson, DDSMesquite, TX 751811336375831
- Reena Abraham, DDSBalch Springs, TX 751801336439892
Common questions
What is John Stuart Williams, D.D.S.'s NPI number?
John Stuart Williams, D.D.S.'s National Provider Identifier (NPI) is 1023025608, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Stuart Williams, D.D.S. located?
The NPPES record lists a practice address at 272 S Collins RD Ste 100, Sunnyvale, TX, 75182. Phone: (972) 216-1871. Providers update this record themselves, so call before visiting.
How can I verify John Stuart Williams, D.D.S.'s license?
NPPES lists Texas license number 20559, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does John Stuart Williams, D.D.S. prescribe under Medicare Part D?
In 2024, John Stuart Williams, D.D.S. had 33 Medicare Part D claims for 18 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.